The Four-Square Quilt

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In this activity, learners arrange triangles together to make patterns to create paper quilts. Learners experiment with arranging the triangles in different ways to make various designs. Use this activity to illustrate how triangles can be combined to make other shapes, reflection, and the different types of triangles (isosceles, right, equilateral, scalene). This resource includes the quilt templates and shapes. [Activity is publicly available through a web crawler capture on]

Quick Guide

Preparation Time:
10 to 30 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 4 - 8

Resource Types:
Activity, Lesson/Lesson Plan

English, Spanish

Materials List (per student)


  • Mathematics
    • Algebra
      • Patterns
    • Geometry
      • Plane Geometry
  • The Nature of Technology
    • The Design Process

Informal Categories

  • Arts and Crafts


To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities
  • Involves hands-on or lab activities


Foreign language versions of this resource:

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Exploratorium, 2010

Funding Sources:

  • National Science Foundation
  • Gordon and Betty Moore Foundation